Quarterly report pursuant to Section 13 or 15(d)

Segment Information (Details Textuals)

 v2.3.0.11
Segment Information (Details Textuals) (USD $)
In Millions
3 Months Ended 6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2011
Jun. 30, 2010
Dec. 31, 2010
Segment Information (Textuals) [Abstract]          
Revenues from foreign operations $ 111.2 $ 50.8 $ 245.6 $ 98.2  
Property and equipment held in foreign countries $ 94.9   $ 94.9   $ 94.0